
Smolny Cathedral
Smolny Cathedral in Petersburg, Rus. Built in 1748-1764, and over 50,000 wooden piles were needed to secure the foundation in marshy soil of Petersburg.
Category: Church & Cemetery
Smolny Cathedral in Petersburg, Rus. Built in 1748-1764, and over 50,000 wooden piles were needed to secure the foundation in marshy soil of Petersburg.